Home Energy Suite

Energy Calculator

Home Energy Calculator

Get quick estimates of your home’s current energy-use costs. See how much you can save just by making a few changes.

Energy References


Interactive Energy Home

Learn how to save energy, room by room. Mouse over furnishings and appliances and click to see energy-saving tips.


Home Energy Library

Find your answers in this energy library that covers it all -- home design and construction techniques to the latest in energy-efficiency equipment and appliances.


Fundamentals of Electricity

Learn the basics of electricity step by step – from power generation and energy delivery to electrical safety.


Kid's Korner

It’s all about energy! Colorful, interactive energy information and games that capture the imagination of young and old alike.

Appliance Calculator

See how it all adds up. Get down-to-the-penny energy operating costs for more than 50 different home appliances and electronic devices.

Special Purpose Calculators

Heating Calculator

This appealing online “measuring tool” compares a variety of heating sources, such as heat pump, natural gas, propane, and geothermal. Match your existing or proposed commercial equipment and fuel prices to decide on upgrades and energy-saving options.

Irrigation Calculator

Energy costs are a huge part of farm irrigation budgets. This calculator features the popular “sliding bar” to compare various power sources based on number of acres, pounds per square inch to pump, pump motor size, and more.

Lighting Calculator

Commercial building operators and energy managers can quickly pinpoint significant energy saving opportunities for their facilities. The Lighting Calculator instantly shows energy savings possible, bulb by bulb, watt by watt, and dollar by dollar.

Heat Pump Calculator

Demonstrates the savings potential of replacing older inefficient heat pumps with newer high efficiency units.

Television Calculator

Compares the energy use and cost of LCD, DLP, Plasma, and traditional tube televisions.